Question

what do you mean by significant figures?

Answer 1

here is your answer:
significant figure:
these are the total number of digits in a certain number including last digit whose value is uncertain.
for example:
576 has 3 significant figures
0.5 has 1
0.0075 has 2
hope it helped !!

Answer 2

Explanation:

The number of significant figures in a given data is the number of all certain digits plus one uncertain digit. For example, 3.015 has four significant figures.

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